Electric foot callus remover and foot polisher The electric callus remover has 2-speeds: 1700x/min at low speed and 2000x/min at high speed. It comes with a USB cord for quick and easy charging. It is small and light for convenience, and waterproof. The electric foot file has 1200mAh rechargeable battery that can last up to 2 hours of using time. The battery display function shows the 5-battery levels. It also has an LED light which lights up when in use. It comes with 3 quartz heads–the Coarse, the regular, and a Fine roller head. In addition, the package comes with a cuticle and callus remover, callus scraper, nail file, callus shaver, sandpaper, nail brush, and a V-shaped push stick!